Ubuntu update for imagemagick

1) Use-after-free

EUVDB-ID: #VU82972

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-5341

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the ReadBMPImage() function in coders/bmp.c. A remote attacker can pass a specially crafted image to the application, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Update the affected package imagemagick to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 22.04

libmagickcore-6.q16-3-extra (Ubuntu package): before Ubuntu Pro

libmagickcore-6.q16-6-extra (Ubuntu package): before Ubuntu Pro

libmagickcore-6.q16-3 (Ubuntu package): before Ubuntu Pro

libmagickcore-6.q16-6 (Ubuntu package): before Ubuntu Pro

libmagickcore5-extra (Ubuntu package): before Ubuntu Pro (Infra-only)

libmagickcore5 (Ubuntu package): before Ubuntu Pro (Infra-only)

libmagickcore-6.q16-2 (Ubuntu package): before Ubuntu Pro (Infra-only)

libmagickcore-6.q16-2-extra (Ubuntu package): before Ubuntu Pro (Infra-only)

imagemagick (Ubuntu package): before Ubuntu Pro (Infra-only)

imagemagick-6.q16 (Ubuntu package): before Ubuntu Pro (Infra-only)

CPE2.3

• cpe:2.3:o:canonical:ubuntu:14.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:libmagickcore-6.q16-3-extra_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore-6.q16-6-extra_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore-6.q16-3_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore-6.q16-6_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore5-extra:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore5:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore-6.q16-2_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:libmagickcore-6.q16-2-extra_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:imagemagick_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:imagemagick-6.q16_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6621-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.